Andy Ransom gives a short talk on scheduling and backgrounding tasks on Linux. This talk does not require any existing knowledge of the subject.
See http://www.hantslug.org.uk/cgi-bin/wiki.pl?TechTalks for more details and copies of the presentation that accompanied the talk. This talk was given at the Hampshire Linux User Group (HantsLUG) meeting on 5th August 2006 at Southampton University.
There is an Ogg Theora version at: http://www.archive.org/download/HampshireLinuxUserGroupSchedulingandBackgroundtaskscronatnohupandscreen/scheduling20060805.ogg (46MB)